Coccocarpia tenuissima (Mont.) Zahlbr.
Araracuara, Colombia, leg. H. Sipman, 1988
Growing on leaves in rainforest undergrowth, preferably near streamlets. Unusual in the genus by its very narrow, elongate lobes. The more common species have wide, rounded lobes over 5 mm wide. [picture height = c. 2.5 mm]